Home / 168,255.36-231,719.94-164,581.20

Finding the Fourth Proportional to 168,255.36, 231,719.94 and 164,581.20

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Solution

The fourth proportional to 168,255.36, 231,719.94 and 164,581.20 is: 226,659.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,255.36 : 231,719.94 = 164,581.20 : x
  2. Step 2: Convert to fraction form
    168,255.36/231,719.94 = 164,581.20/x
  3. Step 3: Cross multiply
    168,255.36x = 231,719.94 × 164,581.20
  4. Step 4: Simplify right side
    168,255.36x = 38,136,745,789.13
  5. Step 5: Solve for x
    x = 38,136,745,789.13/168,255.36
  6. Step 6: Final answer
    x = 226,659.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.